Suggest some ideas for the chlorine problem in Example 4.2.

Example 4.2

Maintaining a swimming pool, either at home or in a public facility, is both expensive and time consuming. The water must be tested often, particularly for chlorine. The chlorine additive to a swimming pool emits a characteristic odor, irritates the eyes, and can fade colors on swimsuits due to its bleaching effect. Identify a product need.